[OPENJPA-2822] enhancer can rely on at least java8

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.2
• Fix Version/s: 3.2.0
• Component/s: kernel
• Assignee: Mark Struberg
• Reporter: Mark Struberg
• Created: 23/Jul/20 11:59
• Updated: 14/May/21 08:16
• Resolved: 23/Jul/20 12:05

Description

We can now at least assume to have Java8 in trunk. Thus we can drop lots of reflection code from ClassRedefiner et al.
We can also remove Instrumentation#redefineClasses because transform is available in all cases.